<template>
  <div class="wrapper" ref="wrapper">
    <div class="content">
      <slot></slot>
    </div>
  </div>
</template>

<script>
import Bscroll from 'better-scroll'

export default {
  name: "Scroll",
  props:{
    probeType:{
      type:Number,
      default:0
    },
    pullUpLoad:{
      type:Boolean,
      default: false
    }
  },
  data(){
    return {
      scroll:null
    }
  },
  mounted(){
    // 创建scroll对象
    this.scroll = new Bscroll(this.$refs.wrapper,{
      observeDOM: true,
      click:true,
      probeType:this.probeType,
      pullUpLoad:this.pullUpLoad
    })

    // 监听滚动的位置
    if(this.probeType === 2 || this.probeType ===3){
      this.scroll.on('scroll',(position)=>{
        // console.log(position)
        this.$emit('scroll',position)
      })
    }

    // 监听滚动到底部
    if(this.pullUpLoad){
      this.scroll.on('pullingUp',()=>{
        this.$emit('pullingUp')
      })
    }
  },


  methods:{
    scrollTo(x,y,time = 500){
      this.scroll.scrollTo(x,y,time)
    },
    refresh(){
      this.scroll.refresh()

    },
    finishPullUp(){
      this.scroll.finishPullUp()
    }
  }
}
</script>

<style scoped>

</style>
